#encoding: utf-8
class UsersController < ApplicationController
  before_filter :signed_in_user , :only=> [:index,:edit, :update]
  before_filter :correct_user,   :only=> [:edit, :update]
  before_filter :admin_user,     :only=> :destroy

  def index
    @users = User.order(:name).paginate(:page=> params[:page]) 
  end

  def new
    @user = User.new
  end

  def create
    @user = User.new(params[:user])
    if @user.save
      sign_in @user
      flash[:user] = "Welcome to the Sample App!"
      redirect_to @user
    else
      render 'new'
    end
  end

  def show
    @user = User.find(params[:id])
    @microposts = @user.microposts.paginate(:page=> params[:page])
  end

  def edit
    @user = User.find(params[:id])
  end

  def update
    @user = User.find(params[:id])
    if @user.update_attributes(params[:user])
      flash[:success] = "Perfil atualizado"
      sign_in @user
      redirect_to @user
    else
      render 'edit'
    end
  end

  def destroy
    User.find(params[:id]).destroy
    flash[:success] = "User destroyed."
    redirect_to users_url
  end

  def following
    @title = "Following"
    @user = User.find(params[:id])
    @users = @user.followed_users.paginate(page: params[:page])
    render 'show_follow'
  end

  def followers
    @title = "Followers"
    @user = User.find(params[:id])
    @users = @user.follower_users.paginate(page: params[:page])
    render 'show_follow'
  end

  private

  def correct_user
    @user = User.find(params[:id])
    redirect_to(root_url) unless current_user?(@user)
  end

  def admin_user
    redirect_to(root_url) unless current_user.admin?
  end
end
